**SI 4
**Data: main.dta, polarization.dta, ranney_hvd.dta
**Variables: main variables
**Additional variables: polarization measure (Shorr and McCarty), Ranney Index, Holbrook and Van Dunk Index (Klarner)

**Table 4.1
**Model 1, relies on data from Shorr and McCarty (2011)
use "polarization.dta"
reg pctelect1 i.balance01##c.prof unemployment termlim  tleffect redist mmds  fraction divgov pres2  h_diffs s_diffs  y1994 y1996 

**Table 4.1
**Models 2,3,4 rely on Ranney Index and the Holbrook and Van Dunk (HVD) data, both from Klarner (http://www.indstate.edu/polisci/klarnerpolitics.htm)
use "ranney_hvd.dta"
**Model 2
reg pctelect1 i.balance01##c.prof unemployment termlim  tleffect redist  mmds  fraction divgov pres2  y1982 y1984 y1986 y1988 y1990 y1992 y1994 y1996 ranney_6yrs 

**Model 3
reg pctelect1 i.balance01##c.prof unemployment termlim  tleffect redist  mmds fraction divgov pres2  y1982 y1984 y1986 y1988 y1990 y1992 y1994 y1996 hvd_6yr ranney_6yrs

**Model 4
reg pctelect1 i.balance01##c.prof unemployment termlim  tleffect redist  mmds fraction divgov pres2  y1982 y1984 y1986 y1988 y1990 y1992 y1994 y1996 hvd_6yr 

**Table 4.1
use "main.dta"
reg pctelect1 i.balance01##c.prof unemployment termlim  tleffect redist  mmds fraction divgov pres2  y1982 y1984 y1986 y1988 y1990 y1992 y1994 y1996 
